Abstract
Dynamic load emulation of sucker rod pump in laboratory test bench can provide a convenient platform for conducting experiment for testing diagnostic models and verification of operational methods. This paper presents a strategy to implement a test bench for emulating the dynamic load of sucker rod pump. The emulation strategy is based on load torque estimation considering the principal concepts of electromechanical test bench. The dynamics to be emulated is determined by a real time simulator that runs the model of the sucker rod pumping unit. Test bench consisting of induction motor as driving machine and separately excited DC motor as load machine is described and the simulation results show satisfactory tracking performance.
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